Vaisala DMT143 - Manual (Page 33)

Chapter 4 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 31
0403-113
Figure 18 Alternative Assembly of DSC74C (for Tight Spaces)
where
1 = Gas comes out
2 = Coil
3 = Thread, max. size 7 mm
4 = Gas goes in
5 = Valve
The thread size cannot exceed 7 mm. Use the provided adapter to avoid
damage to the transmitter.